good oil reliable information. Australian informal
☞ This expression has behind it the image of oil that is used to lubricate a machine and so ensure that it runs well.
英语词组固定搭配大全包含15956条英汉双解词组，基本涵盖了全部常用英文词组、短语的翻译及用法，是英语学习的有利工具。